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Mostrando ítems 111-120 de 321
Preparação e caracterização de nanocompósitos a base de poli(álcool vinílico) carregados com nanopartículas de propriedades bactericidas via eletrofiação
(Universidade Federal de São Carlos, 2011-04-19)
The work in this thesis mainly focuses on the preparation and characterization of poly(vinyl alcohol) (PVOH)-based nanocomposites loaded with nanoparticles of titanium dioxide (TiO2 anatase and TiO2 prepared by hydrothermal ...
Desenvolvimento de eletrodos de carbono vítreo modificados com nanotubos de carbono funcionalizados imobilizados em filmes de hidrocloreto de poli(alilamina) para determinação de fármacos
(Universidade Federal de São Carlos, 2011-02-18)
Research involving carbon nanotubes (CNT) have a great attraction since its synthesis to the technology application. As part of the work was studied the formation and the stability of a functionalized Multiwall Carbon ...
O método investigativo em aulas teóricas de química: estudo das condições da formação do espírito científico
(Universidade Federal de São Carlos, 2011-02-25)
This work aims to understand the conditions that can lead to the formation of the scientific spirit applying investigative problems in theoretical classes of chemistry. The main theoretical reference that guided this ...
Formação inicial de professores de química na região norte: análise das diferentes concepções das IES públicas e de professores e estudantes do ensino médio
(Universidade Federal de São Carlos, 2011-04-08)
This research was aimed at the initial formation of Chemistry Teachers in the North Brazilian Region. Thus, it searched out knowing the conceptions of Public Institutions of Higher Education and Secondary Education. There ...
Estudo químico em patógenos e vetores de doenças de citros: Xylella fastidiosa e Diaphorina citri
(Universidade Federal de São Carlos, 2011-07-04)
CHEMICAL STUDY OF PATHOGENS AND VECTORS DISEASE OF CITRUS: Xylella fastidiosa & Diaphorina citri. Historically the national citriculture suffered great changes because of phytosanitary problems, and nowadays among the main ...
Desenvolvimento de eletrodos modificados com Poli-1-aminonaftaleno e Poli-1,5-diaminonaftaleno e aplicação na determinação de analitos de interesse farmacêutico
(Universidade Federal de São Carlos, 2010-11-18)
The aim of this work was to study the electrochemical response of the electrode modified with poly-1-aminonaphthalene (1-PAN) and poly-1 ,5- diaminonaphthalene (1,5-PDAN) for dopamine (DA), noradrenaline (NA) adrenaline ...
Estudo teórico e experimental da interação de elétrons com moléculas poliatômicas
(Universidade Federal de São Carlos, 2010-10-15)
In this work, we present an improvement on theoretical study of electron scattering by medium-size molecules at intermediate incident energy range, lying from the ionization threshold to 1 keV. More specifically, the ...
Modificação das propriedades dos polímeros comerciais de SBR e NBR a partir da incorporação de nanopartículas sintéticas
(Universidade Federal de São Carlos, 2012-03-23)
Numerous efforts have focused on the search for new materials involving lower cost, greater durability and, especially, lower environmental impact. In this sense, polymer nanocomposites have become the focus of many research ...
Estudo das propriedades ópticas e estruturais de nanocristais de ZnS, obtidos pelo método solvotérmico aquecido por microondas
(Universidade Federal de São Carlos, 2013-04-26)
This work deals with the synthesis, characterization and study of nanostructures of zinc sulfide (ZnS) synthesized by microwave heated solvothermal method The synthesis method employed was extremely efficient leading to ...
Melquiades: um programa de Monte Carlo para a simulação de sistemas multicomponentes utilizando modelos de potenciais arbitrários
(Universidade Federal de São Carlos, 2017-02-23)
It was developed a general purpose Metropolis Monte Carlo program, which allows to use arbitrary mathematical functions as potential functions for interaction energy calculation, in order to simulate multicomponent system, ...